The nth term Tn of a sequence is given by Tn = n^3+3n^2+2n a)find the first four terms of the sequence

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

We just started the introduction into circles and i have no idea how to do this.

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?